(Cover made by FearsomeSamurai45657)
Casey Jones has a younger sister named (y/n) Jones. She is the opposite to what Casey is. She's shy, smart and keeps herself to herself. Despite her hatred for a certain redheaded O'Neil everyone likes her. April O'neil hates her with a passion but what's the reason?
And what happens when Caseys sister meets the turtles and sees something in a certain purple banded turtle? What will April do?
This is a Donnie x Reader